The calculated distance (air line) between Ho Chi Minh City and Kampong Chhnang is approximately 165 miles respectively 266 kilometers.
By car or train, the actual journey to Kampong Chhnang is certainly longer, as only the direct route (as the crow flies) between Ho Chi Minh City and Kampong Chhnang has been calculated here.
Air line (approximately)
266 kilometers
144 nautical miles